Isn't BS used in combination with other characters to encode non-character terminal information, like text color changes? In some programs, `]\b` for example wi

Isn't BS used in combination with other characters to encode non-character terminal information, like text color changes? In some programs, `]\b` for example will change the text color. The `]` character itself will not be printed, since `\b` will delete it from the visual line, and this effectively creates a side-channel for communicating "invisible" information within the regular character stream. It's a pain to work with, though, since it makes things like `strlen` behave in very non-intuitive ways. Just imagine a string becoming longer when you delete the BS character. That's no fun.